help - can't get to youtube and others - cisco umbrella root CA

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Interesting theory. Sounds plausible. The internet does really strange things some times.

May your bits be stable and your interfaces be fast. :cool: Ron
 
>My router and Windows DNS settings point toward OpenDNS servers ....

Oh, the good old days when we only had to deal with two things for DNS. Now, web browsers are also configured for DNS. Not to mention your VPN which over-rides both the router and the OS. In my experience, the browser DNS config over-rides the other three.

You can see what each browser is using with the assorted "tester" pages listed here